<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="68px">
<!--      <el-form-item label="发送者ID" prop="sendUserId">-->
<!--        <el-input-->
<!--          v-model="queryParams.sendUserId"-->
<!--          placeholder="请输入发送者ID"-->
<!--          clearable-->
<!--          @keyup.enter.native="handleQuery"-->
<!--        />-->
<!--      </el-form-item>-->
<!--      <el-form-item label="接收者ID" prop="receiveUserId">-->
<!--        <el-input-->
<!--          v-model="queryParams.receiveUserId"-->
<!--          placeholder="请输入接收者ID"-->
<!--          clearable-->
<!--          @keyup.enter.native="handleQuery"-->
<!--        />-->
<!--      </el-form-item>-->
      <el-form-item label="发送者:" prop="sendUserName" label-width="100px">
        <el-input
          v-model="queryParams.sendUserName"
          placeholder="请输入发送者名字"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="接收者:" prop="receiveUserName" label-width="100px">
        <el-input
          v-model="queryParams.receiveUserName"
          placeholder="请输入接收者名字"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="发送时间:" prop="sendTime" label-width="150px">
        <el-date-picker clearable
          v-model="queryParams.sendTime"
          type="date"
          value-format="yyyy-MM-dd"
          placeholder="请选择发送时间">
        </el-date-picker>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['chat:chat:add']"
        >新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="success"
          plain
          icon="el-icon-edit"
          size="mini"
          :disabled="single"
          @click="handleUpdate"
          v-hasPermi="['chat:chat:edit']"
        >修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['chat:chat:remove']"
        >删除</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="warning"
          plain
          icon="el-icon-download"
          size="mini"
          @click="handleExport"
          v-hasPermi="['chat:chat:export']"
        >导出</el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="chatList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="id" align="center" prop="id" />
<!--      <el-table-column label="发送者ID" align="center" prop="sendUserId" />-->
<!--      <el-table-column label="接收者ID" align="center" prop="receiveUserId" />-->
      <el-table-column label="发送者:" align="center" prop="sendUserName" />
      <el-table-column label="接收者:" align="center" prop="receiveUserName" />
<!--      <el-table-column label="聊天内容:" align="center" prop="content" />-->
      <el-table-column label="聊天内容" align="center" prop="content" width="150">
        <template slot-scope="scope">
          <div v-if="!scope.row.showFullDescription">
            {{ scope.row.content.substring(0, 50) }}
            <span v-if="scope.row.content.length > 50"
                  @click="toggleDescription(scope.row, true)">
          ...展开
        </span>
          </div>
          <div v-else>
            {{ scope.row.content }}
            <span @click="toggleDescription(scope.row, false)">
          收起
        </span>
          </div>
        </template>
      </el-table-column>
      <el-table-column label="发送时间: " align="center" prop="sendTime" width="180">
        <template slot-scope="scope">
          <span>{{ parseTime(scope.row.sendTime, '{y}-{m}-{d}') }}</span>
        </template>
      </el-table-column>
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['chat:chat:edit']"
          >修改</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['chat:chat:remove']"
          >删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改聊天记录对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="100px">
<!--        <el-form-item label="发送者ID" prop="sendUserId">-->
<!--          <el-input v-model="form.sendUserId" placeholder="请输入发送者ID" />-->
<!--        </el-form-item>-->
<!--        <el-form-item label="接收者ID" prop="receiveUserId">-->
<!--          <el-input v-model="form.receiveUserId" placeholder="请输入接收者ID" />-->
<!--        </el-form-item>-->
        <el-form-item label="发送者名字" prop="sendUserName">
          <el-input v-model="form.sendUserName" placeholder="请输入发送者名字" />
        </el-form-item>
<!--        <el-form-item label="发送者头像" prop="sendUserImage">-->
<!--          <image-upload v-model="form.sendUserImage"/>-->
<!--        </el-form-item>-->
        <el-form-item label="接收者名字" prop="receiveUserName" >
          <el-input v-model="form.receiveUserName" placeholder="请输入接收者名字" />
        </el-form-item>
<!--        <el-form-item label="接收者头像" prop="receiveUserImage">-->
<!--          <image-upload v-model="form.receiveUserImage"/>-->
<!--        </el-form-item>-->
        <el-form-item label="聊天内容">
          <editor v-model="form.content" :min-height="192"/>
        </el-form-item>
        <el-form-item label="发送时间" prop="sendTime">
          <el-date-picker clearable
            v-model="form.sendTime"
            type="date"
            value-format="yyyy-MM-dd"
            placeholder="请选择发送时间">
          </el-date-picker>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { listChat, getChat, delChat, addChat, updateChat } from "@/api/chat/chat"

export default {
  name: "Chat",
  data() {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 聊天记录表格数据
      chatList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        sendUserId: null,
        receiveUserId: null,
        sendUserName: null,
        sendUserImage: null,
        receiveUserName: null,
        receiveUserImage: null,
        content: null,
        sendTime: null
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        sendUserId: [
          { required: true, message: "发送者ID不能为空", trigger: "blur" }
        ],
        receiveUserId: [
          { required: true, message: "接收者ID不能为空", trigger: "blur" }
        ],
      }
    }
  },
  created() {
    this.getList()
  },
  methods: {
    /** 查询聊天记录列表 */
    getList() {
      this.loading = true
      listChat(this.queryParams).then(response => {
        let reg = /<[^>]+>/gi;
        this.chatList = response.rows
        this.total = response.total
        this.chatList.forEach(item=>{
          if (item.content){
            item.content = item.content.replace(reg,"");
          }
          this.$set(item, 'showFullDescription', false);
        });
        this.loading = false
      })
    },
    // 处理展开/收起状态的方法
    toggleDescription(item, show) {
      // 使用 Vue.set 确保响应式更新
      this.$set(item, 'showFullDescription', show);
    },
    // 取消按钮
    cancel() {
      this.open = false
      this.reset()
    },
    // 表单重置
    reset() {
      this.form = {
        id: null,
        sendUserId: null,
        receiveUserId: null,
        sendUserName: null,
        sendUserImage: null,
        receiveUserName: null,
        receiveUserImage: null,
        content: null,
        sendTime: null
      }
      this.resetForm("form")
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1
      this.getList()
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm")
      this.handleQuery()
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.id)
      this.single = selection.length!==1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset()
      this.open = true
      this.title = "添加聊天记录"
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset()
      const id = row.id || this.ids
      getChat(id).then(response => {
        this.form = response.data
        this.open = true
        this.title = "修改聊天记录"
      })
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.id != null) {
            updateChat(this.form).then(response => {
              this.$modal.msgSuccess("修改成功")
              this.open = false
              this.getList()
            })
          } else {
            addChat(this.form).then(response => {
              this.$modal.msgSuccess("新增成功")
              this.open = false
              this.getList()
            })
          }
        }
      })
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const ids = row.id || this.ids
      this.$modal.confirm('是否确认删除聊天记录编号为"' + ids + '"的数据项？').then(function() {
        return delChat(ids)
      }).then(() => {
        this.getList()
        this.$modal.msgSuccess("删除成功")
      }).catch(() => {})
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download('chat/chat/export', {
        ...this.queryParams
      }, `chat_${new Date().getTime()}.xlsx`)
    }
  }
}
</script>
